2 * Copyright (c) 2000,2005 Silicon Graphics, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #include "xfs_types.h"
24 #include "xfs_trans.h"
27 #include "xfs_mount.h"
28 #include "xfs_bmap_btree.h"
29 #include "xfs_alloc_btree.h"
30 #include "xfs_ialloc_btree.h"
31 #include "xfs_dinode.h"
32 #include "xfs_inode.h"
33 #include "xfs_btree.h"
34 #include "xfs_trans_priv.h"
35 #include "xfs_inode_item.h"
36 #include "xfs_trace.h"
38 #ifdef XFS_TRANS_DEBUG
40 xfs_trans_inode_broot_debug(
43 #define xfs_trans_inode_broot_debug(ip)
47 * Add a locked inode to the transaction.
49 * The inode must be locked, and it cannot be associated with any transaction.
50 * If lock_flags is non-zero the inode will be unlocked on transaction commit.
58 xfs_inode_log_item_t
*iip
;
60 ASSERT(xfs_isilocked(ip
, XFS_ILOCK_EXCL
));
61 if (ip
->i_itemp
== NULL
)
62 xfs_inode_item_init(ip
, ip
->i_mount
);
65 ASSERT(iip
->ili_lock_flags
== 0);
66 iip
->ili_lock_flags
= lock_flags
;
69 * Get a log_item_desc to point at the new item.
71 xfs_trans_add_item(tp
, &iip
->ili_item
);
73 xfs_trans_inode_broot_debug(ip
);
77 * Transactional inode timestamp update. Requires the inode to be locked and
78 * joined to the transaction supplied. Relies on the transaction subsystem to
79 * track dirty state and update/writeback the inode accordingly.
87 struct inode
*inode
= VFS_I(ip
);
91 ASSERT(xfs_isilocked(ip
, XFS_ILOCK_EXCL
));
93 tv
= current_fs_time(inode
->i_sb
);
95 if ((flags
& XFS_ICHGTIME_MOD
) &&
96 !timespec_equal(&inode
->i_mtime
, &tv
)) {
98 ip
->i_d
.di_mtime
.t_sec
= tv
.tv_sec
;
99 ip
->i_d
.di_mtime
.t_nsec
= tv
.tv_nsec
;
101 if ((flags
& XFS_ICHGTIME_CHG
) &&
102 !timespec_equal(&inode
->i_ctime
, &tv
)) {
104 ip
->i_d
.di_ctime
.t_sec
= tv
.tv_sec
;
105 ip
->i_d
.di_ctime
.t_nsec
= tv
.tv_nsec
;
110 * This is called to mark the fields indicated in fieldmask as needing
111 * to be logged when the transaction is committed. The inode must
112 * already be associated with the given transaction.
114 * The values for fieldmask are defined in xfs_inode_item.h. We always
115 * log all of the core inode if any of it has changed, and we always log
116 * all of the inline data/extents/b-tree root if any of them has changed.
124 ASSERT(ip
->i_itemp
!= NULL
);
125 ASSERT(xfs_isilocked(ip
, XFS_ILOCK_EXCL
));
127 tp
->t_flags
|= XFS_TRANS_DIRTY
;
128 ip
->i_itemp
->ili_item
.li_desc
->lid_flags
|= XFS_LID_DIRTY
;
131 * Always OR in the bits from the ili_last_fields field.
132 * This is to coordinate with the xfs_iflush() and xfs_iflush_done()
133 * routines in the eventual clearing of the ili_fields bits.
134 * See the big comment in xfs_iflush() for an explanation of
135 * this coordination mechanism.
137 flags
|= ip
->i_itemp
->ili_last_fields
;
138 ip
->i_itemp
->ili_fields
|= flags
;
141 #ifdef XFS_TRANS_DEBUG
143 * Keep track of the state of the inode btree root to make sure we
147 xfs_trans_inode_broot_debug(
150 xfs_inode_log_item_t
*iip
;
152 ASSERT(ip
->i_itemp
!= NULL
);
154 if (iip
->ili_root_size
!= 0) {
155 ASSERT(iip
->ili_orig_root
!= NULL
);
156 kmem_free(iip
->ili_orig_root
);
157 iip
->ili_root_size
= 0;
158 iip
->ili_orig_root
= NULL
;
160 if (ip
->i_d
.di_format
== XFS_DINODE_FMT_BTREE
) {
161 ASSERT((ip
->i_df
.if_broot
!= NULL
) &&
162 (ip
->i_df
.if_broot_bytes
> 0));
163 iip
->ili_root_size
= ip
->i_df
.if_broot_bytes
;
165 (char*)kmem_alloc(iip
->ili_root_size
, KM_SLEEP
);
166 memcpy(iip
->ili_orig_root
, (char*)(ip
->i_df
.if_broot
),